CHICAGO-LATROBE Jobber Length Drill Bit: Letter J, 135° Split Point
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter J, MPN 42780) is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiAlN-coated HSS construction and a 135° split point. With a diameter of 0.2770…
SKU 3G-OTH-190502
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (Letter J, MPN 42780) is a NAS-Spec high-speed steel drill bit for aerospace, featuring a TiAlN-coated HSS construction and a 135° split point. With a diameter of 0.2770 inches, it is designed for precision drilling in demanding applications. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments, with specialist expertise in combustion, pumps, and controls as a trust anchor.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit 42780 used for?
This TiAlN-coated HSS drill bit is designed for aerospace and NAS-spec applications. Its 135° split point reduces walking and thrust, making it suitable for drilling hard materials like titanium and stainless steel in precision manufacturing.
What are the specifications of the CHICAGO-LATROBE 42780 drill bit?
The CHICAGO-LATROBE 42780 is a jobber length drill bit with a letter J size (0.2770 inch), 135° split point, and TiAlN-coated high-speed steel. It meets NAS specifications for aerospace drilling, offering heat resistance and extended tool life.
Where to buy CHICAGO-LATROBE 42780 drill bits worldwide?
3G Electric supplies CHICAGO-LATROBE 42780 drill bits worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this NAS-spec TiAlN-coated HSS bit to your facility, regardless of location.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
For aerospace drilling, choose a bit with a 135° split point and TiAlN coating like the CHICAGO-LATROBE 42780. Match the letter J size (0.2770 inch) to your hole tolerance. Use proper coolant and pecking cycles to manage heat in hard alloys.
Used in
Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE nas-spec high-speed steel jobber-length drill bits for aerospace. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
